RE: U Can Do 60
coomarlin,
I had a Cline go bad (5 years old). It would not pass fuel through it, hence my inverted Saito 100 in UCD 60 ran very lean and wouldn't start. The tank is pressurized by muffler pressure (on 4 stroke) and the regulator controls fuel flow. I think your Cline is good - bad stopper. Anyhow, I took the Cline off and adjusted needles after several flights 'till it idled/ran good. I put the cowl on and now I'm fiddling with the idle mixture some more (warmer weather). My point is with the Cline, it ran consistently great through 4 seasons. I've never deadsticked with the Cline 'till I took it off.